{"id":487,"date":"2025-03-24T10:10:02","date_gmt":"2025-03-24T01:10:02","guid":{"rendered":"http:\/\/www.sdicompany.com\/column\/?p=487"},"modified":"2025-03-14T10:15:19","modified_gmt":"2025-03-14T01:15:19","slug":"practical-guide-to-reflectance-calculation","status":"publish","type":"post","link":"https:\/\/www.sdicompany.com\/column\/practical-guide-to-reflectance-calculation\/","title":{"rendered":"\u53cd\u5c04\u7387\u8a08\u7b97\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9\uff01\u69d8\u3005\u306a\u6750\u6599\u3078\u306e\u9069\u7528\u3068\u6ce8\u610f\u70b9"},"content":{"rendered":"\n<p>\u53cd\u5c04\u7387\u8a08\u7b97\u306f\u3001\u5149\u5b66\u8a2d\u8a08\u3084\u6750\u6599\u79d1\u5b66\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5149\u306e\u53cd\u5c04\u73fe\u8c61\u3092\u6b63\u78ba\u306b\u4e88\u6e2c\u3059\u308b\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u5149\u5b66\u6a5f\u5668\u306e\u6027\u80fd\u5411\u4e0a\u3084\u3001\u65b0\u3057\u3044\u6750\u6599\u958b\u767a\u306b\u7e4b\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u30d5\u30ec\u30cd\u30eb\u306e\u516c\u5f0f\u3092\u7528\u3044\u305f\u53cd\u5c04\u7387\u8a08\u7b97\u306b\u3064\u3044\u3066\u3001\u6280\u8853\u8005\u304c\u3059\u3050\u306b\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u3001\u6570\u5f0f\u3068\u5177\u4f53\u7684\u306a\u8a08\u7b97\u624b\u9806\u3092\u91cd\u8996\u3057\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u69d8\u3005\u306a\u6750\u6599\u306e\u5c48\u6298\u7387\u30c7\u30fc\u30bf\u3082\u63d0\u4f9b\u3057\u3001\u8a08\u7b97\u306e\u5fdc\u7528\u7bc4\u56f2\u3092\u5e83\u3052\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53cd\u5c04\u7387\u8a08\u7b97\u306e\u57fa\u672c\u5f0f\u3068\u624b\u9806<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30ec\u30cd\u30eb\u306e\u516c\u5f0f\u306b\u3088\u308b\u53cd\u5c04\u7387\u8a08\u7b97<\/h3>\n\n\n\n<p>\u30d5\u30ec\u30cd\u30eb\u306e\u516c\u5f0f\u306f\u3001\u7570\u306a\u308b\u5c48\u6298\u7387\u3092\u6301\u30642\u3064\u306e\u5a92\u8cea\u306e\u754c\u9762\u306b\u304a\u3051\u308b\u5149\u306e\u53cd\u5c04\u3068\u900f\u904e\u3092\u8a18\u8ff0\u3059\u308b\u516c\u5f0f\u3067\u3059\u3002<\/p>\n\n\n\n<p>s\u504f\u5149\u3068p\u504f\u5149\u305d\u308c\u305e\u308c\u306e\u53cd\u5c04\u7387Rs\u3001Rp\u306f\u3001\u5165\u5c04\u89d2\u03b8i\u3001\u5a92\u8cea1\u306e\u5c48\u6298\u7387n1\u3001\u5a92\u8cea2\u306e\u5c48\u6298\u7387n2\u3001\u304a\u3088\u3073\u5c48\u6298\u89d2\u03b8t\u3092\u7528\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>Rs = ((n1cos\u03b8i &#8211; n2cos\u03b8t)\/(n1cos\u03b8i + n2cos\u03b8t))^2<\/p>\n\n\n\n<p>Rp = ((n2cos\u03b8i &#8211; n1cos\u03b8t)\/(n2cos\u03b8i + n1cos\u03b8t))^2<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3001\u03b8t\u306f\u30b9\u30cd\u30eb\u306e\u6cd5\u5247 n1sin\u03b8i = n2sin\u03b8t \u3092\u7528\u3044\u3066\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5f0f\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u4efb\u610f\u306e\u5165\u5c04\u89d2\u306b\u304a\u3051\u308b\u53cd\u5c04\u7387\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u53cd\u5c04\u7387\u8a08\u7b97\u306b\u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf<\/h4>\n\n\n\n<p>\u53cd\u5c04\u7387\u8a08\u7b97\u306b\u306f\u3001\u5165\u5c04\u89d2(\u03b8i)\u3001\u5a92\u8cea1\u306e\u5c48\u6298\u7387(n1)\u3001\u5a92\u8cea2\u306e\u5c48\u6298\u7387(n2)\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5165\u5c04\u89d2\u306f\u5149\u306e\u5165\u5c04\u65b9\u5411\u3068\u754c\u9762\u306e\u6cd5\u7dda\u3068\u306e\u306a\u3059\u89d2\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5c48\u6298\u7387\u306f\u3001\u5149\u306e\u901f\u5ea6\u306e\u6bd4\u3092\u8868\u3059\u5024\u3067\u3001\u7269\u8cea\u3054\u3068\u306b\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u69d8\u3005\u306a\u6750\u6599\u306e\u5c48\u6298\u7387\u30c7\u30fc\u30bf<\/h3>\n\n\n\n<p>\u3044\u304f\u3064\u304b\u306e\u6750\u6599\u306e\u5c48\u6298\u7387\u30c7\u30fc\u30bf\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u3059\u308b\u6750\u6599\u306e\u5c48\u6298\u7387\u306f\u3001\u6ce2\u9577\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u4f7f\u7528\u3059\u308b\u6ce2\u9577\u306b\u5408\u308f\u305b\u305f\u5024\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7a7a\u6c17\uff1a\u7d041.00<\/li>\n\n\n\n<li>\u6c34\uff1a\u7d041.33<\/li>\n\n\n\n<li>\u30ac\u30e9\u30b9(\u30af\u30e9\u30a6\u30f3\u30ac\u30e9\u30b9)\uff1a\u7d041.52<\/li>\n\n\n\n<li>\u30b7\u30ea\u30b3\u30f3\uff1a\u7d043.42<\/li>\n\n\n\n<li>\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\uff1a\u7d042.42<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a08\u7b97\u4f8b1 \u5782\u76f4\u5165\u5c04\u306e\u5834\u5408<\/h3>\n\n\n\n<p>\u5782\u76f4\u5165\u5c04(\u03b8i = 0\u00b0)\u306e\u5834\u5408\u3001s\u504f\u5149\u3068p\u504f\u5149\u306e\u533a\u5225\u306f\u306a\u304f\u3001\u53cd\u5c04\u7387R\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7c21\u7565\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>R = ((n1 &#8211; n2)\/(n1 + n2))^2<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u7a7a\u6c17(n1 = 1.00)\u304b\u3089\u30ac\u30e9\u30b9(n2 = 1.52)\u3078\u306e\u5782\u76f4\u5165\u5c04\u306e\u5834\u5408\u3001\u53cd\u5c04\u7387\u306f\u7d044%\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a08\u7b97\u4f8b2 \u659c\u5165\u5c04\u306e\u5834\u5408<\/h3>\n\n\n\n<p>\u659c\u5165\u5c04\u306e\u5834\u5408\u3001s\u504f\u5149\u3068p\u504f\u5149\u306e\u53cd\u5c04\u7387\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u7a7a\u6c17(n1 = 1.00)\u304b\u3089\u30ac\u30e9\u30b9(n2 = 1.52)\u3078\u306e45\u00b0\u306e\u5165\u5c04\u89d2\u306e\u5834\u5408\u3001s\u504f\u5149\u3068p\u504f\u5149\u306e\u53cd\u5c04\u7387\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30cd\u30eb\u306e\u6cd5\u5247\u3092\u7528\u3044\u3066\u5c48\u6298\u89d2\u03b8t\u3092\u6c42\u3081\u3001\u4e0a\u8a18\u306e\u30d5\u30ec\u30cd\u30eb\u306e\u516c\u5f0f\u306b\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u53cd\u5c04\u7387\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a08\u7b97\u7d50\u679c\u306e\u89e3\u91c8\u3068\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u8a08\u7b97\u7d50\u679c\u3092\u89e3\u91c8\u3059\u308b\u969b\u306b\u306f\u3001\u4f7f\u7528\u3059\u308b\u6750\u6599\u306e\u5c48\u6298\u7387\u306e\u7cbe\u5ea6\u3084\u3001\u5149\u306e\u6ce2\u9577\u3001\u6e29\u5ea6\u306a\u3069\u306e\u5f71\u97ff\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u591a\u5c64\u819c\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306a\u3069\u306e\u8907\u96d1\u306a\u7cfb\u3067\u306f\u3001\u5e72\u6e09\u52b9\u679c\u306a\u3069\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53cd\u5c04\u7387\u8a08\u7b97\u306e\u5fdc\u7528\u4e8b\u4f8b\u3068\u8003\u5bdf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8584\u819c\u306b\u304a\u3051\u308b\u53cd\u5c04\u7387\u8a08\u7b97<\/h3>\n\n\n\n<p>\u8584\u819c\u306e\u53cd\u5c04\u7387\u306f\u3001\u8584\u819c\u306e\u539a\u3055\u3001\u5c48\u6298\u7387\u3001\u304a\u3088\u3073\u57fa\u677f\u306e\u5c48\u6298\u7387\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5e72\u6e09\u52b9\u679c\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u6ce2\u9577\u3067\u53cd\u5c04\u7387\u304c\u5927\u304d\u304f\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u73fe\u8c61\u306f\u3001\u5149\u5b66\u30d5\u30a3\u30eb\u30bf\u3084\u53cd\u5c04\u9632\u6b62\u819c\u306e\u8a2d\u8a08\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u591a\u5c64\u819c\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8a2d\u8a08\u3078\u306e\u5fdc\u7528<\/h3>\n\n\n\n<p>\u591a\u5c64\u819c\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u7279\u5b9a\u306e\u6ce2\u9577\u5e2f\u306e\u5149\u3092\u53cd\u5c04\u307e\u305f\u306f\u900f\u904e\u3055\u305b\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a2d\u8a08\u306b\u306f\u3001\u5404\u5c64\u306e\u539a\u3055\u3068\u5c48\u6298\u7387\u3092\u6700\u9069\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d5\u30ec\u30cd\u30eb\u306e\u516c\u5f0f\u306f\u3001\u591a\u5c64\u819c\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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